The Generac GT-990 engine line groups 2 variant designations. Parts and fitment are pooled here so a cross-reference found on one variant surfaces for the whole family.
| Part # | Description | Category |
|---|---|---|
| 0C3040 | PRE-CLEANER | air_filter |
| 0C5136A | KNOB, AIR CLEANER (13,14,16,17Kw) | air_filter |
| 0C8127 | ELEMENT AIR CLEANER | air_filter |
| 0D3262 | AIR FILTER ELEMENT | air_filter |
| 0D4511 | PRECLEANER, AIR | air_filter |
| 0D9723 | ELEMENT, AIR FILTER | air_filter |
| 0E9371A | Air Filter | air_filter |
| 0E9371AS | Filtre à air recommandé | air_filter |
| 0E9581 | Recommended Air Filter | air_filter |
| 0F7798 | BAFFLE, INTAKE | air_filter |
| 0F8380 | FOAM, TOP INTAKE BAFFLE | air_filter |
| 0J8478 | Air Filter | air_filter |
| 100-025 | Air Filter | air_filter |
| A045Y127 | Air Filter Element | air_filter |
| A046K017 | Air Filter Element | air_filter |
| A046K018 | Air Filter Element | air_filter |
| C8127 | Engine Air Cleaner/Air Filter | air_filter |
| GM16944 | Element, air cleaner | air_filter |
| 0C7065 | PANEL, ALTERNATOR DIVIDER | alternator |
| 0D1647 | DUCT, ALTERNATOR AIR | alternator |
| 0F6558 | PANEL, ALTERNATOR DIVIDER | alternator |
| 0F8246 | PANEL, ALTERNATOR DIVIDER (7KW) | alternator |
| 0F8915 | PANEL, ALTERNATOR DIVIDER (10KW) | alternator |
| 083049 | REGULATOR VOLTAGE | avr |
| 0F9719 | ASSY PCB VREG AIR COOLED | avr |
| 0C1112 | BELT,V-RIB 4LX42.5" | belt |
| 241919 | pin extractor | belt |
| GM28352 | Belt, Poly-6V (39 in.) | belt |
| GM28353 | Belt, Poly-6V (40.75 in.) | belt |
| GM38753 | Belt, timing | belt |
| 066386 | ASSEMBLY, BRUSH HOLDER | brush |
| 74147 | Radiator Daihatsu 950G | cooling |
| 73203 | Circuit Breaker 60 Amp 2 pole w/Aux. Switch | electrical |
| 73217 | Circuit Breaker 50 Amp Auto-Reset | electrical |
| 74233 | Engine BS&D 950 Daihatsu | engine |
| 74236 | Governor, Woodward LCS | engine |
| 0D6313 | FILTER, FUEL | fuel_filter |
| 021713B | CYLINDER HEAD GASKET | gasket |
| 076701 | CRANKCASE GASKET | gasket |
| 090239 | GASKET, EXHAUST MANIFOLD | gasket |
| 0C2977 | GASKET, CRANK CASE | gasket |
| 0C2978 | GASKET, HEAD | gasket |
| 0C2979 | GASKET, VALVE COVER | gasket |
| 0C3005 | GASKET, BREATHER COVER | gasket |
| 0C3043 | GASKET, MANIFOLD / PORT | gasket |
| 0C3150 | ROCKER COVER GASKET | gasket |
| 0C4138 | GASKET, EXHAUST PORT | gasket |
| 0C4647 | GASKET, SOLENOID | gasket |
| 0C6069 | GASKET, DIAPHRAGM | gasket |
| 0C8283 | GASKET, DOOR SEAL | gasket |
| 0D2558 | GASKET, ALTERNATOR AIR DUCT | gasket |
| 0D2559 | GASKET, ALTERNATOR AIR DUCT | gasket |
| 0D3167 | GASKET, BATTERY SUPPORT BRACKET | gasket |
| 0D4010 | KIT GASKET | gasket |
| 0D4023 | GASKET, MANIFOLD TO CARB (GT-990) | gasket |
| 0D4024 | GASKET, CARB TO SPACER | gasket |
| 0D4026 | GASKET, CARB TO SPACER (GT-990) | gasket |
| 0D5282 | GASKET, MANIFOLD TO CARBURETOR | gasket |
| 0D6327 | GASKET, SPITBACK | gasket |
| 0E0572 | GASKET,CARB TO INTAKE MANIFOLD | gasket |
| 0E0573 | GASKET,CARB TO ADAPTOR | gasket |
| 0E1078A | GASKET, EXHAUST BASE | gasket |
| 0E5968 | GASKET EXTRUDED TRIM (328” LG) | gasket |
| 0F8434 | GASKET, FRONT DIVIDER (10KW) | gasket |
| 0F8555 | GASKET, DOOR SEAL | gasket |
| 0F8847 | GASKET, FRONT DIVIDER | gasket |
| 0K8946 | Joint de cache-culbuteurs | gasket |
| A045Y128 | Air Filter Element | gasket |
| 030340 | Hose, Fuel, 4.5" LG. | hose |
| 048031C | CLAMP HOSE BAND 1/4 | hose |
| 0C3036 | HOSE, BREATHER | hose |
| 0C3036A | HOSE, BREATHER | hose |
| 0C9093 | HOSE, BREATHER | hose |
| 0C9093A | HOSE, BREATHER | hose |
| 0C9806 | HOSE, 3/8 I.D. X 6 LONG | hose |
| 0D3083 | ASSEMBLY, OIL DRAIN HOSE | hose |
| 0E5079 | HOSE, BREATHER | hose |
| 0F7065 | 3 FT HOSE RES 1/2 | hose |
| 0F9176 | HOSE 1/4 ID | hose |
| GM33021 | Hose, upper radiator | hose |
| GM33022 | Hose, lower radiator | hose |
| SHEG702 | Raw Marine Water Pump Impeller | impeller |
| 070185 | FILTER, OIL | oil_filter |
| 070185B | FILTER, OIL | oil_filter |
| 070185E | Oil Filter | oil_filter |
| 070185ES | Filtre à huile recommandé | oil_filter |
| 070185F | Oil Filter | oil_filter |
| 100-030 | Oil Filter | oil_filter |
| 70185 | FILTER, OIL | oil_filter |
| GM28351 | Filter, oil | oil_filter |
| 006560-0 | Generac generator component | other_service |
| 006572-0 | Fuel Lock | other_service |
| 021267A | PLUG PLASTIC 1.5 BLIND GROMMET | other_service |
| 021533 | SET, PISTON RING 90MM | other_service |
| 022097 | WASHER LOCK M6-1/4 | other_service |
| 022129 | WASHER LOCK M8-5/16 | other_service |
| 022145 | WASHER FLAT 5/16-M8 ZINC | other_service |
| 022152 | WASHER LOCK #10 | other_service |
| 022158 | NUT HEX #10-32 STEEL | other_service |
| 022237 | WASHER LOCK 3/8 | other_service |
| 022473 | WASHER FLAT 1/4-M6 ZINC | other_service |
| 022511 | WASHER LOCK 3/8 | other_service |
| 022676 | FUSE AGC-15A. | other_service |
| 023484H | BUSHING SNAP SB-1500-18 | other_service |
| 026850 | LUG SLDLSS #2-#8 X 17/64 CU | other_service |
| 028578 | FUSE 10A X AGC10 | other_service |
| 029451 | 677mm Rubber Tape 1/8 x 12" | other_service |
| 031879 | WASHER FLAT #4 | other_service |
| 031971 | BEARING #6205 2NSE C3 E SRI2 S | other_service |
| 036937 | SCREW PPHM#10-32 X 1 | other_service |
| 0388040AJ0 | CABLE, #6 RED BATTERY 38.5” | other_service |
| 0388050AE0 | CABLE, #6 40" BLACK BATTERY | other_service |
| 043107 | SCREW HHC M8-1.25 X 25 | other_service |
| 043116 | SCREW HHC M6-1.0 X 12 G8.8 | other_service |
| 043790A | BARBED EL 90 3/8NPT X 3/8 VS | other_service |
| 045771 | NUT HEX M8-1.25 G8 CLEAR ZINC | other_service |
| 047411 | SCREW HHC M6-1.0 X 16 G8.8 | other_service |
| 048571 | SCREW HHC M8 – 1.25 X 10 | other_service |
| 049451 | BELT (POLY V 4L)-40" | other_service |
| 049721 | SCREW HHC M6-1.0 X 35 G8.8 BLK | other_service |
| 049813 | NUT HEX M6 X 1.0 G8 YEL CHR | other_service |
| 051713 | WASHER FLAT M5 | other_service |
| 052857 | NUT LOCK FLANGE M6-1.0 | other_service |
| 0536210209 | ASSEMBLY, WIRE | other_service |
| 055414 | LUG SLDLSS #2-#8 X 17/64 CU | other_service |
| 056147 | BOLT ROTOR HHCS 5/16"-24 X 13-1/2" G5 | other_service |
| 056482 | BEARING | other_service |
| 066849B | SCREW HHTT M5-0.8 X 8mm | other_service |
| 071980 | PIN PISTON D20 | other_service |
| 071983 | RETAINER, PISTON PIN 20 | other_service |
| 072694 | STUD, ROCKER ARM PIVOT | other_service |
| 073159 | BEARING | other_service |
| 073590A | FUSE 5A X BUSS | other_service |
| 073591 | FUSE HOLDER | other_service |
| 074908 | SCREW HHTT M5-0.8 X 10 BP | other_service |
| 078699E | SLEEVE, SEAMED DOWEL 10 DIA. | other_service |
| 082121C | CLIP-J VINYL COAT .625 ID | other_service |
| 083897 | TAPPET, SOLID | other_service |
| 086515 | KEEPER, VALVE SPRING | other_service |
| 086516 | VALVE, EXHAUST | other_service |
| 087680 | NUT WING M6-1.0 | other_service |
| 090388 | SCREW HHTT M6-1.0 X 12 ZINC | other_service |
| 092079 | SCREW TAPTITE M6-1.0 X 25 BP | other_service |
| 092120 | NUT LOCK TRIC M6 X 1.0 | other_service |
| 093064 | ASSEMBLY, OIL FILL CAP | other_service |
| 093873 | WASHER, LOCK RIB M6 | other_service |
| 099727 | FUSE 5A X AGC5 | other_service |
| 0A1658 | WASHER LOCK SPECIAL 1/4" | other_service |
| 0A1801 | ASSEMBLY, BATTERY CHARGER ENGINE | other_service |
| 0A2115 | WASHER NYLON .250" | other_service |
| 0A8475 | L/WASH SPECIAL #10 | other_service |
| 0A9611 | FUSE 7.5A | other_service |
| 0C1085 | SCREW PPHM M3-0.5 X 8 | other_service |
| 0C2229 | VALVE, INTAKE | other_service |
| 0C2237 | XFRSW HSB 100A 2P 250V | other_service |
| 0C2417A | EARTH STRAP 3/8X 3/8 | other_service |
| 0C2967 | PISTON, LC | other_service |
| 0C2969 | ASSEMBLY, CONNECTING ROD (GT-990) | other_service |
| 0C2976 | SCREW HHFC M8-1.25 X 65 | other_service |
| 0C2981 | ROCKER, COVER | other_service |
| 0C3003 | SEPARATOR, OIL BREATHER | other_service |
| 0C3006 | SCREW, HHFC M10-1.5 X 55 | other_service |
| 0C3009 | SPRING, OIL RELIEF | other_service |
| 0C3010 | BALL, 1/2D OIL RELIEF | other_service |
| 0C3011 | COVER, OIL RELIEF | other_service |
| 0C3026 | COOLER, OIL | other_service |
| 0C3168 | WASHER LOCK SPECIAL 5/16 | other_service |
| 0C3906 | SELF-ALIGN SCREW M6 HH | other_service |
| 0C4680 | PLUNGER, LP REGULATOR ASSEMBLY | other_service |
| 0C4706 | DIAPHRAGM, TWIN REGULATOR | other_service |
| 0C4739 | SCREW PPHM M3-0.5 X 6 | other_service |
| 0C5313 | SCREEN, OIL PICKUP | other_service |
| 0C5315 | GEROTOR, OUTER | other_service |
| 0C5371 | WASHER, VALVE SPRING | other_service |
| 0C5372 | ASSEMBLY, BREATHER | other_service |
| 0C5729 | ASSEMBLY, CRANKCASE HOUSING WITH SLEEVE | other_service |
| 0C5731 | ASSEMBLY, HOUSING COVER WITH SLEEVE | other_service |
| 0C5760A | JET, GN 410 ENGINE LP (7KW) | other_service |
| 0C5760G | JET, GT990 NAT GAS | other_service |
| 0C5760J | JET, GN 410 ENGINE LP | other_service |
| 0C5764 | SPRING, REGULATOR | other_service |
| 0C5765 | SOLENOID, TWIN REGULATOR | other_service |
| 0C6043A | CARRIER, REAR BEARING | other_service |
| 0C6070 | SPRING-SOLENOID PLUNGER | other_service |
| 0C6140 | ASSEMBLY, ENCLOSURE BASE | other_service |
| 0C6735 | SUPPORT, ROOF FOLDING | other_service |
| 0C6934 | ADAPTOR, ENGINE | other_service |
| 0C7038B | BRACKET, ENGINE MOUNTING | other_service |
| 0C7038C | BRACKET, ALTERNATOR MOUNTING | other_service |
| 0C7061 | ENCLOSURE, FRONT | other_service |
| 0C7062 | ENCLOSURE, EXHAUST SIDE | other_service |
| 0C7063 | ENCLOSURE, SIDE & BACK | other_service |
| 0C7064 | ENCLOSURE, ROOF | other_service |
| 0C7758 | RUBBER MOUNT | other_service |
| 0C8096 | FAN, 8" CURVED BLADE | other_service |
| 0C8101A | PANEL, MUFFLER BOX SIDE | other_service |
| 0C8101B | COVER, MUFFLER BOX | other_service |
| 0C8284A | FOAM, BACK ENCLOSURE | other_service |
| 0C8284B | FOAM, ROOF ENCLOSURE | other_service |
| 0C8284C | FOAM, FRONT ENCLOSURE | other_service |
| 0C8285 | BRACKET, BATTERY SUPPORT | other_service |
| 0C8526 | CARBURETOR (GT-990) | other_service |
| 0C8566 | SCREW HHFC M6-1.0 X 20 G8.8 | other_service |
| 0C8808 | HOOK, LIFTING | other_service |
| 0C8860 | PANEL, MUFFLER BASE | other_service |
| 0C8911 | POWER BLOCK | other_service |
| 0C9593 | MUFFLER | other_service |
| 0C9934H | ROTOR | other_service |
| 0C9935H | STATOR | other_service |
| 0D0710 | RIVET POP 0.125” X 0.337” | other_service |
| 0D1128 | PANEL, ENGINE DIVIDER | other_service |
| 0D1606 | HOUSING, FAN | other_service |
| 0D1839 | BRACKET, TOP SUPPORT | other_service |
| 0D1840 | BRACKET, BOTTOM SUPPORT | other_service |
| 0D1847 | BOLT STATOR HHCS M8-1.25 x 305mm | other_service |
| 0D2157 | SCREW SHC M6-1.0 X 50 G8.8 | other_service |
| 0D2274 | RETAINER, VALVE SPRING | other_service |
| 0D2774B | BASE, AIRBOX | other_service |
| 0D2775 | COVER, AIRBOX | other_service |
| 0D2930 | VALVE, SUMMER / WINTER | other_service |
| 0D2979B | CLOTH, HARDWARE 266.7mm X 146mm | other_service |
| 0D2979C | CLOTH, HARDWARE 543mm X 146mm | other_service |
| 0D2979D | CLOTH HARDWARE 266.7mm X 387.4mm | other_service |
| 0D3037 | LATCH, QUARTER TURN LOCKING | other_service |
| 0D3037A | LATCH, QUARTER TURN NON-LOCKING | other_service |
| 0D3058A | FOAM, FRONT INTAKE BAFFLE (7KW) | other_service |
| 0D3220 | TAIL PIPE, MUFFLER | other_service |
| 0D3472 | GROMMET OVAL 31.75 X 50.8 | other_service |
| 0D3700 | NUT FLANGE M6-1.0 NYLOK | other_service |
| 0D3867 | SPRING, VALVE | other_service |
| 0D3998 | NUT HEX M8-1.0 G8 YEL CHR | other_service |
| 0D4012 | KIT BREATHER ASSEMBLY | other_service |
| 0D4015 | KIT OIL RELIEF | other_service |
| 0D4040E | ASSEMBLY, CRANKSHAFT HORIZONTAL DIRECT DRIVE (GT-990) | other_service |
| 0D4041 | ASSEMBLY, CAMSHAFT & GEAR | other_service |
| 0D4183 | ADAPTOR, SPIT BACK | other_service |
| 0D4522 | CONTROLLER ASSEMBLY | other_service |
| 0D4570 | CAP, FUEL WITH GAUGE & VENT | other_service |
| 0D4575 | BATTERY U1 | other_service |
| 0D4612 | SNORKEL, AIR INTAKE | other_service |
| 0D4662 | SCREW HHTR 5/16-18 X 3/4" (7KW) | other_service |
| 0D4788 | PLUG STD PIPE 3/8 STEEL SQ HD | other_service |
| 0D5014A | KNOB, AIRBOX 17mm | other_service |
| 0D5014B | KNOB, AIRBOX 95MM | other_service |
| 0D5125 | SPRING, WINTER/SUMMER VALVE | other_service |
| 0D5133 | SCREEN, SPARK ARRESTOR | other_service |
| 0D5269 | ROCKER, COVER | other_service |
| 0D5313 | ROCKER ARM | other_service |
| 0D5698A | JET IDLE PRIMER PHILLIPS HD | other_service |
| 0D6007 | KIT PISTON & RINGS | other_service |
| 0D6008 | KIT GEAR COVER | other_service |
| 0D6020 | STUD M6-1.0 X 73 | other_service |
| 0D6021 | STUD, METRIC | other_service |
| 0D6024 | PLATE, PUSH ROD GUIDE | other_service |
| 0D6143 | TUBE, HEAT RISER 50.8 I.D. | other_service |
| 0D7176 | WASHER, SELF LOCKING | other_service |
| 0D7178T | Control Panel Fuse | other_service |
| 0D8067A | ASSEMBLY, HEAD #1 | other_service |
| 0D8067B | ASSEMBLY, HEAD #2 | other_service |
| 0D8675A | KIT HEAD ASSEMBLY CYLINDER 1 | other_service |
| 0D8675B | KIT HEAD ASSEMBLY CYLINDER 2 | other_service |
| 0D9784 | NUT HEX LOCK M3-0.5 | other_service |
| 0D9852 | ASSEMBLY IGNITION COIL | other_service |
| 0D9853D | PUSHROD 144.6 | other_service |
| 0E1010A | JET, GT990 LP GAS | other_service |
| 0E1330 | GROMMET, 38.1 DIA. CROSS SLIT | other_service |
| 0E1330A | GROMMET, 38.1 CROSS SLIT WITH HOLE | other_service |
| 0E3372B | SEPARATOR, OIL BREATHER | other_service |
| 0E4244 | BAFFLE, INTAKE | other_service |
| 0E4245 | FOAM, FRO | other_service |
| 0E7886D | CIRCUIT BREAKER 45A X 2P 240V (10KW) | other_service |
| 0E7886K | CIRCUIT BREAKER 55A X 2P 240V (13KW) | other_service |
| 0F0164 | HINGE TYPE A WITH STUDS, PIN | other_service |
| 0F0164A | HINGE TYPE A WITH STUDS, SOCKET | other_service |
| 0F0165 | HINGE TYPE B WITH STUDS, PIN | other_service |
| 0F0165A | HINGE TYPE B WITH STUDS, SOCKET | other_service |
| 0F1338A | ASSY, IGN COIL W/DIODE NO ADV | other_service |
| 0F1338B | ASSY, IGN COIL W/DIODE NO ADV | other_service |
| 0F5022 | SOLENOID COIL, 12VDC | other_service |
| 0F5434 | HARNESS ENG V-T HSB | other_service |
| 0F5438 | HARNESS, ENGINE (7KW) | other_service |
| 0F5458 | SCREW PLASTITE HI-LOW #10 X 3/8 | other_service |
| 0F5478 | HARNESS GENERATOR TO EXTERNAL CONNECTION BOX | other_service |
| 0F6148DSRV | Battery Warming Blanket | other_service |
| 0F6549 | ENCLOSURE, EXHAUST SIDE | other_service |
| 0F6550 | ENCLOSURE, SIDE & BACK | other_service |
| 0F6552 | ENCLOSURE, ROOF | other_service |
| 0F6555 | ENCLOSURE, FRONT | other_service |
| 0F6570 | COVER, BACK EXHAUST ENCLOSURE | other_service |
| 0F6571 | COVER, FRONT EXHAUST ENCLOSURE | other_service |
| 0F7711 | ASSEMBLY, ENCLOSURE BASE | other_service |
| 0F7824 | FOAM, MUFFLER BOX END | other_service |
| 0F7824A | FOAM, MUFFLER BOX END | other_service |
| 0F7825 | FOAM, MUFFLER BOX FRONT | other_service |
| 0F7826 | FOAM, MUFFLER BOX BACK | other_service |
| 0F7827 | FOAM, EXHAUST ENCLOSURE COVER | other_service |
| 0F7885 | PANEL, ENGINE DIVIDER | other_service |
| 0F7886 | PANEL, ENGINE DIVIDER (10KW) | other_service |
| 0F8039 | MOUNTING CLIP | other_service |
| 0F8080 | SCROLL, FAN | other_service |
Parts cataloged across all variants of this engine family — verify the exact part fits your specific variant and serial number before ordering.
Leads compiled from supplier catalogs across the family’s variants; verify the exact part for your variant and serial number.
This engine family also powers 5 generator set(s) on Facts About Generators.